Home / 18,944,085.80-28,416,128.70-16,754,364.20

Finding the Fourth Proportional to 18,944,085.80, 28,416,128.70 and 16,754,364.20

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Solution

The fourth proportional to 18,944,085.80, 28,416,128.70 and 16,754,364.20 is: 25,131,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944,085.80 : 28,416,128.70 = 16,754,364.20 : x
  2. Step 2: Convert to fraction form
    18,944,085.80/28,416,128.70 = 16,754,364.20/x
  3. Step 3: Cross multiply
    18,944,085.80x = 28,416,128.70 × 16,754,364.20
  4. Step 4: Simplify right side
    18,944,085.80x = 476,094,169,393,872.50
  5. Step 5: Solve for x
    x = 476,094,169,393,872.50/18,944,085.80
  6. Step 6: Final answer
    x = 25,131,546.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.